JPH0822702A - Vehicular lighting fixture - Google Patents

Abstract

PURPOSE:To improve the light distribution characteristic of a vehicular lighting fixture. CONSTITUTION:Either of the power-side terminals 42, 52 of connectors 4, 5 or either of the earth-side terminals 43, 53 thereof is provided with a coil spring portion 430, a plate spring portion 434 and a coil spring 58. As the result, a light-source bulb 1 can be pressed into contact with a lamp body 2 by elastic action of these spring portions so that play, slippage and the like between the light-source bulb 1 and the lamp body 2 can be eliminated to improve the light distribution accuracy of a vehicular lighting fixture. Also a threaded portion 38 is formed in the holder 3 of the lamp body 2. A fixing member 6 is screwed into the threaded portion 38 so as to fix the light-source bulb 1 to the lamp body 2. As the result, the light-source bulb 1 can be pressed into contact with the lamp body 2 so that play, slippage and the like between the light-source bulb 1 and the lamp body 2 can be eliminated to improve the light distribution accuracy of the lighting fixture.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicular lamp in which a light source bulb is detachably attached to a lamp body and the light source bulb is electrically connected to a power source side and a ground side. The present invention relates to a vehicular lamp that can be attached without difficulty and, as a result, can improve the light distribution accuracy.

[0002]

2. Description of the Related Art A vehicle lamp of this type will be described with reference to FIG. This vehicular lamp generally includes a light source bulb 1
The lamp body 2, the holder 3, and the connector 8 are provided. The light source bulb 1 has a glass tube 10 in which a filament (not shown) is enclosed, one end of the filament is connected to the terminal 13, and the other end of the filament is the flange portion 14 and the base 12. It is connected to the. The lamp body 2 has a lens (not shown) in a front opening of a lamp housing 20 having a reflection surface 21 on an inner surface (or having a separate reflector inside).
Is provided, and the lamp housing 20 and the lens define a lamp chamber 22. A through hole 23 for inserting a light source bulb is provided at a rear portion of the lamp housing, and a holder 3 for mounting the light source bulb is fixed to an edge of the through hole 23. A through hole 32 for inserting a light source bulb, which communicates with the through hole 23, is provided at substantially the center of the holder 3, and an engaging portion 34 is provided at a rear portion of the holder 3. The connector 8 is configured such that a main body 80 made of an insulating member such as a synthetic resin, a spring member 81 having an expanded snap ring shape that detachably engages with the engaging portion 34, and a terminal 13 of the light source bulb 1 can be attached and detached. A power source side terminal 82 for gripping and connecting to the power source side, and a ground side terminal 83 for gripping the base 12 of the light source bulb 1 and connecting to the ground side are provided. In the figure, 820 is a grip portion of the power source side terminal 82 that detachably holds the terminal 13 of the light source bulb 1, and 830 is a grip portion of the earth side terminal 83 that holds the base 12 of the light source bulb 1. is there.

Next, how to attach the light source bulb 1 to the lamp body 2 will be described. First, the terminal 13 and the base 12 of the light source bulb 1 are connected to the grip portion 820 of the power source side terminal 82 of the connector 8 and the ground side terminal 83. Each of the grip portions 830 is detachably gripped. Next, the glass bulb 10 side of the light source bulb 1 is inserted into the lamp chamber 22 through the through hole 32 of the holder 3 and the through hole 23 of the lamp housing 20, and the flange portion 14 of the light source bulb 1 is inserted into the holder 3. While touching the edge of the through hole 32, the connector 8
By removably engaging the spring member 81 with the engaging portion 34 of the holder 3, the light source bulb 1 is removably attached to the lamp body 2 via the connector 3.
The light source bulb 1 is electrically connected to a power source and a ground by connecting a power source side terminal and a ground side terminal 83 (not shown) to the power source side terminal 82 and the ground side terminal 83 of the connector 8.

[0004]

However, in the above-described vehicle lamp, the terminal 13 of the light source bulb 1 and the base 12 have the grip portion 820 of the power source side terminal 82 of the connector 8 and the grip portion 830 of the earth side terminal 83. The light source bulb 1 is supported by the connector 8 by being removably held by and, and the spring member 81 of the connector 8 is detachably engaged with the engaging portion 34 of the holder 3, The connector 8 is attached to the holder 3, and as a result, the light source bulb 1 is detachably attached to the holder 3 of the lamp body 2 via the connector 8. Therefore, between the light source bulb 1 and the holder 3 of the lamp body 2, the flange portion 14 of the light source bulb 1 merely contacts the edge of the through hole 32 of the holder 3 of the lamp body 2. For this reason, there is a possibility that rattling or misalignment may occur between the light source bulb 1 and the lamp body 2 due to vibration or impact.

An object of the present invention is to provide a vehicular lamp in which a light source bulb is attached to a lamp body without rattling or deviation so as to improve light distribution accuracy.

[0006]

As a means for solving the above-mentioned problems, the present invention provides a spring portion for pressing a light source bulb to a lamp body in either one of a power source side terminal or a ground side terminal of a connector. Is provided.

Further, the present invention is characterized in that the lamp body is provided with a threaded portion, and a mounting member for screwing the threaded portion into the light source bulb to attach the light source bulb to the lamp body.

[0008]

According to the present invention, since the light source bulb is brought into pressure contact with the lamp body by the elastic action of the spring portion according to the above construction,
It is possible to eliminate rattling and displacement between the light source bulb and the lamp body. As a result, it is possible to improve the light distribution accuracy.

Further, according to the present invention, since the light source bulb is pressed into contact with the lamp body by screwing the mounting member into the threaded portion of the lamp body, rattling or misalignment between the light source bulb and the lamp body can be eliminated. . As a result, it is possible to improve the light distribution accuracy.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Now, four of the embodiments of the vehicular lamp of the present invention will be described with reference to the accompanying drawings. 1 to 7 show a first embodiment of a vehicular lamp according to the present invention. 1 and 3
And in FIG. 4, 1 is a light source bulb. The light source bulb 1 is, for example, an H1 type light source bulb in which two electrodes are coaxially arranged. In this light source bulb 1, a filament 11 is enclosed in a glass tube 10.
At the rear of the glass tube 10, a conductive base 12 and a terminal 13 are coaxially arranged in an insulated state. This terminal 13 and the base 12 are arranged coaxially 2
The individual electrodes are configured. A conductive flange portion 14 is provided at a substantially middle portion of the base 12. Both ends of the filament 11 are supported by two lead wires 15, one of the two lead wires 15 is connected to the terminal 13, and the other one is the flange portion 14. And the base 12. further,
A hemispherical convex portion 16 is provided on the front surface side (the glass tube 10 side) of the flange portion 14.

In FIGS. 3 and 4, reference numeral 2 is a lamp body. The lamp body 2 is provided with a reflecting surface 21 on the inner surface side of the lamp housing 20, and a lens (not shown) is arranged at the front opening of the lamp housing 20. And the lens defines a lamp chamber 22. Its lamp housing 2
A through hole 23 for inserting a light source bulb is provided in the rear part of 0, and an attachment boss portion 24 is integrally provided at the edge of the through hole 23.

In FIGS. 1 to 4, 3 is a holder. The holder 3 includes a hollow cylindrical portion 30 whose one end face is closed and the other end face is open, and a mounting portion 31 which is integrally provided on the cylindrical portion 30. The cylindrical portion 30 is composed of a small diameter portion on one end side and a large diameter portion on the other end side with a step portion in the middle portion interposed therebetween. The closed end of the cylindrical portion 30 is provided with a through hole 32 for inserting the light source bulb 1 that communicates with the through hole 23 of the lamp housing 20, and two notches 33 are provided on the circumferential side of the cylindrical portion 30. Are provided on the upper and lower sides, and two engaging portions 34 are provided on the left and right sides at the peripheral edge of the open end of the cylindrical portion 30, respectively. The hemispherical projection 3 is formed on the inner surface of the closed end of the cylindrical portion 30 and at the edge of the through hole 32.
6 is provided. The mounting part 31 has a circular through hole 3
5 are provided. One end of the cylindrical portion 30 of the holder 3 is set in the through hole 23 of the lamp housing 20, and the mounting portion 31 of the holder 3 is fixed to the mounting boss portion 24 of the lamp housing 20 with bolts 37 or the like. , The through hole 32 of the holder 3 and the lamp housing 20
Through hole 23 of

In FIGS. 1 to 6, 4 is a connector. The connector 4 includes a main body 40 made of an insulating member, for example, a synthetic resin, a spring member 41 having an expanded snap ring shape attached to the main body 40, a conductive power source side terminal 42 fixed to the main body 40, and a conductive body. And a dummy terminal 44 for preventing erroneous connection. The collar portion 40 is provided at one end of the main body 40.
0 is provided, and a large concave portion 404 and a small concave portion 401 into which the base 12 and the terminal 13 of the light source bulb 1 are inserted are provided on one end surface of the main body 40, and a hemisphere is provided near the bottom portion of the small concave portion 401. The large convex portion 402 is provided with two semicircular convex portions 403 when viewed from a plane. The spring member 41 is a member having spring elasticity (for example, a round bar member made of steel), and has a convex portion 411 provided at the center and circular arc portions 412 provided on both left and right sides of the convex portion 411.
The photographing section 413 is provided at the tip of the arc section 412. Take a picture of this shooting section 413 with your finger, etc.
When the space between 13 is narrowed, the arc portion 412 is contracted inward,
By releasing a finger or the like from the photographing section 413, the arc section 4
The elastic member 12 is elastically engaged with the engaging portion 34 of the holder 3 in the expansion direction by an elastic restoring force. In addition, the arc portion 41
By contracting 2 again, the engagement state of the arcuate portion 412 with the engagement portion 34 is released. This spring member 4
1 is a holding plate 41 on the back side of the collar portion 400 of the main body 40.
By setting 0, the circular arc portion 412 is attached so as not to hinder the radial contraction or expansion. This holding plate 410
Is a caulking pin designated by reference numeral 405 in FIG.
As shown in FIG. 5, the upper center and the left and right end portions and the lower left and right end portions are crimped. The power supply side terminal 42 is substantially J-shaped when viewed from the side. A step portion 420 is provided at the central bent portion of the power source side terminal 42, and by making the contact portion 421 on the short bent portion side of the power source side terminal 42 thinner, Will give an elastic force. A hemispherical convex portion 422 is provided on the contact portion 421 so as to face the convex portion 402 of the main body 40. The cut-and-raised claws 4 for preventing coming off are provided on the long bent portion side of the power supply side terminal 42.
23 and a small circular through hole is provided. The ground-side terminal 43 is the flange portion 14 of the light source bulb 1.
A coil spring portion 430 that elastically abuts on the flange portion 14 to press the flange portion 14 against the edge of the through hole 32 of the holder 3.
The main body 40 includes a fixing portion 431. The fixed portion 431 of the earth side terminal 43 and the coil spring portion 430 are electrically connected by the solder 432. The coil spring portion 430 is arranged in the two convex portions 403 of the main body 40 so as not to come into contact with the power source side terminal 42 and not to be displaced. The fixing portion 431 is provided with a cut-and-raised claw 433 for preventing the retainer 431 and a small circular through hole.

The vehicular lamp of the present invention in this embodiment has the above-mentioned structure, and a method of mounting the light source bulb 1 on the lamp body 2 will be described below. First, the terminal 13 of the light source bulb 1 is connected to the small recess 401 of the connector 4.
Inserted inside and the convex portion 422 of the power supply side terminal 42
The terminal 13 of the light source bulb 1 and the power supply side terminal 42 are connected to each other by sandwiching the terminal 13 and the convex portion 402 of the main body 40. On the other hand, the base 12 of the light source bulb 1 is inserted into the coil spring portion 430 of the earth side terminal 43, and the coil spring portion 430 of the earth side terminal 43 is brought into contact with the back surface of the flange portion 14 of the light source bulb 1 to make the light source. Flange portion 14 of valve 1 and ground side terminal 43
And connect. In this way, the light source bulb 1 is detachably attached to the connector 4, and the light source bulb 1 is connected to the power source side terminal 42 and the earth side terminal 43. Next, the glass tube 10 side of the light source bulb 1 is connected to the through hole 32 of the holder 3 and the through hole 2 of the lamp housing 20.
3 into the lamp chamber 22, and the front surface of the flange portion 14 of the light source bulb 1 is provided with the convex portion 3 at the edge of the through hole 32 of the holder 3.
6 and while bending the coil spring portion 430 of the ground-side terminal 43, the arcuate portion 412 of the spring member 41 of the connector 4 is detachably elastically engaged with the engagement portion 34 of the holder 3. Then, the light source bulb 1 is detachably attached to the holder 3 of the lamp body 2 via the connector 4.

At this time, the flange portion 14 of the light source bulb 1
And the main body 40 of the connector 4, the coil spring portion 430 of the ground side terminal 43 in a compressed state is interposed,
The spring member 41 of the connector 4 elastically engages with the holder 3 of the lamp body 2, and that portion serves as a reaction force receiver.
As a result, the flange portion 14 of the light source bulb 1 is pressed against the holder 3 of the lamp body 2 by the elastic action of the coil spring portion 430 of the ground-side terminal 43, so that there is no play between the light source bulb 1 and the lamp body 2. It is possible to eliminate misalignment and improve the light distribution accuracy. That is, since the flange portion 14 of the light source bulb 1 is brought into pressure contact with the holder 3 of the lamp body 2 by the elastic action of the coil spring portion 430 of the ground-side terminal 43, the adhesion between the light source bulb 1 and the holder 3 is improved. Since the positional accuracy between the light source bulb 1 and the lamp body 2 can be improved, and the positional accuracy between the light source bulb 1 and the lamp body 2 is improved, the light distribution can be stabilized and at the same time the light distribution accuracy can be improved.

Particularly, in this embodiment, a step portion 420 is provided at the central bent portion of the power source side terminal 42, and the thickness of the contact portion 421 on the short bent portion side of the power source side terminal 42 is made thin. Since the contact portion 421 is provided with an elastic force or the elasticity of the contact portion 421 is increased, it is possible to prevent the decrease in elasticity due to thermal aging.

When the above-mentioned light source bulb 1 is attached to the holder 3, the upper and lower notches 33 of the holder 3 are provided with the upper and lower convex portions of the connector 4. Then, the power source side terminal 42 and the ground side terminal 43 of the connector 4 are connected to the power source side and the ground side connectors (not shown).
The light source bulb 1 is electrically connected to the power supply and the ground by connecting.

8 to 10 show a second embodiment of the vehicular lamp of the present invention. In the figure, the same reference numerals as those in FIGS. 1 to 7 indicate the same components. In this embodiment, the earth side terminal 43 is provided with a plate spring portion 434 instead of the coil spring portion 430 of the first embodiment described above. That is, the conductive annular plate (a circular plate having a circular through hole in the center) 435 is the main body 40 of the connector 4.
It is fixed by a caulking pin 406 in FIGS. 9 and 10. The annular plate 435 is provided with the above-mentioned three plate spring portions 434 which are cut and raised in a substantially S shape at substantially equal intervals. The annular plate 435 is fixed to the fixing portion 431 with solder 432.

In the vehicle lamp according to this embodiment, the plate spring portion 4 of the ground-side terminal 43 is used.
The free end of 34 elastically abuts the flange portion 14 of the light source bulb 1, and presses the flange portion 14 of the light source bulb 1 against the holder 3 of the lamp main body 2, which is different from that of the first embodiment. Similar effects can be achieved.
11 to 15 show a third embodiment of the vehicular lamp of the present invention. In the figure, the same reference numerals as those in FIGS. 1 to 10 indicate the same components. In this embodiment, the following connector 5 is used in place of the connector 4 of the first and second embodiments described above. The connector 5 includes a conductive main body 50, a conductive expansion snap ring-like spring member 41 attached to the main body 50, and the main body 5
It is composed of a conductive power source side terminal 52 fixed to 0, a conductive earth side terminal 53, and a dummy terminal 44 for preventing incorrect connection. The main body 50 has a hollow cylindrical shape with both ends open. A mounting portion 500 is provided at the edge of one end (upper end) opening of the main body 50, and the spring member 41 is mounted on the mounting portion 500. On the other hand, the power source side terminal 52 and the ground side terminal 53 are fixed to the opening of the other end (lower end) of the main body 50 by an insulating material 55. One end (upper end) of the earth side terminal 53 and the inside of the main body 50 are electrically connected by a conductive connecting wire 530. A recess 550 is provided at the center of the upper surface of the insulating material 55.

In FIGS. 12 to 15, reference numeral 56 is a mounting portion for detachably mounting the terminal 13 of the light source bulb 1. The mounting portion 56 is made of a conductive member, and has a hollow cylindrical shape with one end (upper end) opened and the other end (lower end) closed. A caulking portion 560 is provided at the edge of the opening end of the mounting portion 56. 12 to 15
In the figure, reference numeral 57 is a fixing portion fixed to the connector 5. The fixing portion 57 is made of a conductive member, and has a hollow cylindrical shape of which both ends are open and the height is low (the bottom is shallow). A flange portion is provided at one end (upper end) opening of the fixing portion 57, and a first caulking portion 571 is provided at the flange portion. On the other hand, a second caulking portion 572 is provided at the other end (lower end) opening of the fixing portion 57. In FIGS. 12 to 15, reference numeral 58 is a conductive compression type coil spring. A crimping portion 560 of the mounting portion 56 and a second crimping portion 572 of the fixing portion 57 are crimped to both ends of the coil spring 58, respectively, and as a result, the coil spring 58 is attached to the mounting portion 56. It is interposed between the fixing portion 57. The fixing portion 57 is set in the concave portion 550 of the insulating material 55, and the first crimping portion 5 of the fixing portion 57 is set.
The fixing portion 57 is fixed to the connector 5 by crimping 71 to one end (upper end) of the power supply side terminal 52.

Since the vehicular lamp of the present invention in this embodiment has the above-mentioned structure, the terminal 13 of the light source bulb 1 is inserted into the mounting portion 56, and the light source bulb 1 is inserted.
The light source bulb 1 is connected to the connector 5 by bringing the flange portion 14 into contact with the holder 3 of the lamp body 2 and elastically engaging the spring member 41 with the engaging portion 34 of the holder 3 while compressing the coil spring 58. It is attached to the holder 3 of the lamp body 2 via. At this time, the flange portion 14 of the light source bulb 1 is pressed against the holder 3 of the lamp main body 2 via the mounting portion 56 by the elastic return force of the compressed coil spring 58, so that the light source bulb 1 is slid on the lamp main body 2. It can be mounted without any misalignment, and as a result, the light distribution characteristics can be improved. The current is
Power supply side terminal 52-> fixed part 57-> coil spring 58-> mounting part 56-> light source bulb 1 terminal 13-> light source bulb 1 filament 11-> light source bulb 1 flange 14-> holder 3-> spring member 41-> connector 5
Main body 50 → connecting wire 530 → ground side terminal 53.

FIG. 16 shows a fourth embodiment of the vehicular lamp of the present invention. In the figure, the same reference numerals as those in FIGS. 1 to 15 indicate the same components. In this embodiment, the spring type (coil spring portion 4) of the above-described first to third embodiments is used.
30 and the plate spring portion 434 and the coil spring 58) are replaced with the following screw type. The female screw portion 3 is provided on the inner peripheral surface of the cylindrical portion 30 of the holder 3.
8 are provided. In FIG. 16, reference numeral 6 is a mounting member for pressing the flange portion 14 of the light source bulb 1 against the holder 3. The mounting member 6 has a hollow cylindrical shape with one end (upper end) closed and the other end (lower end) opened. On the outer peripheral surface of the mounting member 6, a male screw portion 60 that is screwed with the screw portion 38 of the holder 3 is provided, and a through hole 61 is provided at the center of the closed end of the mounting member 6. . In FIG. 16, 7 is a connector. The connector 7 includes a main body 70 made of an insulating member such as a synthetic resin, a power source side terminal 42, a ground side terminal 43 fixed to the main body 70, and a dummy terminal 4 for preventing incorrect connection.
4 and. The earth-side terminal 43 is provided with a grip portion 436 that detachably holds the base 12 of the light source bulb 1 and electrically connects to the base 12.

Since the vehicular lamp of the present invention in this embodiment has the above-described structure, the flange portion 14 of the light source bulb 1 is brought into contact with the holder 3 of the lamp main body 2 and the female screw portion 38 of the holder 3 is attached thereto. Screw the mounting member 6,
The flange portion 14 of the light source bulb 1 is pressed against the holder 3, and the flange portion 14 of the light source bulb 1 is pressed against the holder 3.
And the mounting member 6 are sandwiched. Then, the connector 12 is attached to the base 12 and the terminal 13 of the light source bulb 1.
Of the earth side terminal 43 and the power source side terminal 42 are detachably attached and electrically connected. As a result, the light source bulb 1 is attached to the holder 3 of the lamp body 2 via the attachment member 6 without rattling or misalignment, so that the light distribution characteristic is improved.

[0024]

As described above, the vehicle lamp of the present invention is
Since the light source bulb can be firmly attached to the lamp body without rattling or displacement, the light distribution characteristics can be improved.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a main part showing a first embodiment of a vehicular lamp of the present invention.

FIG. 2 is a rear view showing a state in which a light source bulb is attached to a holder via a connector.

FIG. 3 is a transverse sectional view showing a state where the light source bulb is similarly attached to the holder of the lamp body via a connector.

FIG. 4 is a vertical sectional view of the same.

FIG. 5 is a front view of the connector.

6 is a sectional view taken along line VI-VI in FIG.

FIG. 7 is a partially enlarged view of a power supply side terminal.

FIG. 8 is a transverse sectional view showing a second embodiment of the vehicular lamp of the present invention.

FIG. 9 is a front view of the connector.

FIG. 10 is a sectional view taken along line XX in FIG. 9;

FIG. 11 is a transverse sectional view showing a third embodiment of the vehicular lamp of the present invention.

FIG. 12 is an exploded perspective view of a connector.

FIG. 13 is an exploded view of a light source bulb and a connector.

FIG. 14 is an explanatory view showing a state in which the fixing portion is fixed to the power supply side terminal of the connector.

FIG. 15 is a partial cross-sectional view showing a state in which a light source bulb is attached to a holder of a lamp body via a connector.

FIG. 16 is a cross sectional view showing a fourth embodiment of the vehicular lamp of the present invention.

FIG. 17 is a partial cross-sectional view showing a conventional vehicle lamp.

[Explanation of symbols]

1 ... Light source bulb, 12 ... Base, 13 ... Terminal, 14
... Flange part, 2 ... Lamp body, 20 ... Lamp housing, 21 ... Reflecting surface, 22 ... Lamp chamber, 23 ... Through hole, 3 ... Holder, 32 ... Through hole, 34 ... Engaging part, 38 ... Female screw part, Four
... Connector, 40 ... Main body, 41 ... Spring member, 42
... Power supply side terminal, 420 ... Step section, 421 ... Contact section,
43 ... Ground side terminal, 430 ... Coil spring part, 434 ... Plate spring part, 5 ... Connector, 5
0 ... Main body, 52 ... Power supply side terminal, 53 ... Ground side terminal, 55 ... Insulation material, 56 ... Mounting part, 57 ... Fixing part, 58 ... Coil spring, 6 ... Mounting member, 60 ... Male screw part, 7 ... Connector .

Claims (5)

[Claims] 1. A light source bulb, a lamp main body, and a light source bulb detachably attached to the lamp main body, and a power source side terminal and a ground side terminal for connecting the light source bulb to a power source side and a ground side, respectively. In a vehicular lamp including a connector, a spring portion for pressing the light source bulb to the lamp body is provided at either one of a power supply side terminal and a ground side terminal of the connector. Vehicle lighting. 2. A light source bulb comprising a glass tube in which a filament is enclosed, a terminal to which one end of the filament is connected, a flange portion and a base to which the other end of the filament is connected, and insertion of a light source bulb. Main body provided with a holder having a through hole and an engaging portion, a spring member removably engaged with the engaging portion, and a terminal of the light source bulb detachably attached to the power source side. A vehicle light fixture comprising: a connector having a power supply side terminal connected to the power source side terminal; and a ground side terminal connecting the flange portion of the light source bulb to the ground side, wherein the ground side terminal of the connector is the light source. A coil spring that elastically abuts the flange portion of the bulb to press the flange portion of the light source bulb against the edge of the through hole of the holder. Vehicle lamp, wherein the part is provided. 3. A light source bulb comprising a glass tube in which a filament is enclosed, a terminal to which one end of the filament is connected, a flange portion and a base to which the other end of the filament is connected, and insertion of a light source bulb. Main body provided with a holder having a through hole and an engaging portion, a spring member removably engaged with the engaging portion, and a terminal of the light source bulb detachably attached to the power source side. A vehicle light fixture comprising: a connector having a power supply side terminal connected to the power source side terminal; and a ground side terminal connecting the flange portion of the light source bulb to the ground side, wherein the ground side terminal of the connector is the light source. A plate sp that elastically abuts the flange of the bulb and presses the flange of the light source bulb against the edge of the through hole of the holder. Vehicle lamp, wherein the ring portion is provided. 4. A light source bulb comprising a glass bulb in which a filament is enclosed, a terminal to which one end of the filament is connected, a flange portion and a base to which the other end of the filament is connected, and insertion of a light source bulb. Main body provided with a holder having a through hole and an engaging portion, a spring member removably engaged with the engaging portion, and a terminal of the light source bulb detachably attached to the power source side. And a connector provided with a power supply side terminal connected to the light source bulb and a ground side terminal connecting the flange portion of the light source bulb to the ground side, wherein the power supply side terminal of the connector is the light source bulb. A mounting part for removably attaching the terminal, a fixing part for fixing the terminal to the connector, and an interposing between the mounting part and the fixing part. Vehicle lamp characterized by comprising a spring for pressing the edge of the through-hole of the holder of the flange portion of the light source bulb resiliently brought into contact with the attachment portion to the terminal of the light source bulb is. 5. A lamp body having a light source bulb having a flange portion, a through hole for inserting the light source bulb, and a screw portion; and a flange portion of the light source bulb screwed into the screw portion to form a through hole of the lamp body. And a connector that attaches to the light source bulb detachably and that connects the light source bulb to the power source side and the ground side, the vehicular lamp.